[3] "Mōretsu Uchū Kōkyōkyoku Dai 7 Gakushō 'Mugen no Ai'" and "Lost Child" are, respectively, the opening and the ending themes of the anime series Bodacious Space Pirates.

[4] Director of the anime Tatsuo Satō described "Mōretsu Uchū Kōkyōkyoku Dai 7 Gakushō 'Mugen no Ai'" as "a song, very descriptive of Moretsu.

The costumes were based on rough drawings by Yoshiyuki Sadamoto, best known for the character design of such anime series as Neon Genesis Evangelion and FLCL.

[13] To commemorate the release, on February 18, 2012, Momoiro Clover Z held a surprise live concert in front of Sankaku (Triangle) Park in Shinsaibashi, Osaka.

A crowd of 3,000 fans gathered in the park to see the announced premiere of the music video for "Mōretsu Uchū Kōkyōkyoku Dai 7 Gakushō 'Mugen no Ai'" on the big screen.